Helicopter rotors, blades and shafts



FIG. 1 is a front, right side view of a helicopter rotors, blades and shafts, showing our new design;

FIG. 2 is a rear, left side view thereof;

FIG. 3 is a right, rear side view thereof;

FIG. 4 is a top, left side view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a right side view thereof.

Broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a helicopter rotors, blades and shafts, as shown and described. 